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MB Quart OWC304

175W 12" Onyx Series Dual 4 ohm Subwoofer

MB Quart
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• 350W Peak
• 175W RMS
• Thermal Formed Polypropylene Cone
• Butyl Rubber Surround
• Deep Drawn Heavy Gauge Basket
• Spring Loaded Terminals

Learn more about the owc304

We apologize

This item has been discontinued

Product Highlights


• 350W Peak
• 175W RMS
• Thermal Formed Polypropylene Cone
• Butyl Rubber Surround
• Deep Drawn Heavy Gauge Basket
• Spring Loaded Terminals

Description


MB Quart brand icon

Authorized dealer

General Features:

  • 12" Dual 4 Ohm Onyx Series Subwoofer
  • Power Handling:
    • Peak: 350 watts
    • RMS: 175 watts
  • Impedance: 4 ohms
  • Injection molded polypropylene cone
  • UV Resistant butyl rubber surround
  • Deep drawn heavy gauge stamped steel basket
  • Heavy duty textured powder coat finish
  • Red treated Nomex spiders
  • Push & Insert Style speaker terminals
  • Anti-resonant magnet cover
  • 1.5" High temperature aluminum voice coil
  • Heat-dispersing vented pole plate
  • Frequency response: 35-250 Hz
  • Resonance Frequency (Fs): 30 Hz
  • Sensitivity: 84.6 dB
  • Top-mount depth: 6-1/16"
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

Product history:

MB Quart OWC304 thumbnail
(newest, current model)
MB Quart ONX304 thumbnail
(previous model, replaced by MB Quart OWC304)

Subwoofer Wiring Guide


Wiring Guide to Wire 1 MB Quart OWC304 Subwoofer

Mono Amp

2 Channel Amp - Bridged

Wiring Guide to Wire 2 MB Quart OWC304 Subwoofers

Mono Amp

Mono Amp - Option 1

2 Channel Amp

2 Channel Amp - Bridged

4 Channel Amp - Bridged

Wiring Guide to Wire 3 MB Quart OWC304 Subwoofers

Mono Amp

4 Channel Amp

Wiring Guide to Wire 4 MB Quart OWC304 Subwoofers

Mono Amp

2 Channel Amp

2 Channel Amp - Bridged

4 Channel Amp

Specifications & Details


Subwoofer Specifications
Series
ONYX Series
Subwoofer Size
12"
Peak Power Handling
350 watts
RMS Power Handling
175 watts
Voice Coil(s)
Dual
Impedance (Per Voice Coil)
4 ohms
Voice Coil Diameter
1.5"
Subwoofer Design
Round / Circle
Main Cone Color
Black
Woofer Composition
Injection Molded Polypropylene - IMPP
Woofer Surround
Butyl Rubber
Subwoofer Grille
No
Re-Cone Kit Available
No
Recommended Enclosure Specifications
Recommended Enclosure Type
Ported / Vented
Sealed
Optimum Sealed Box Volume
1.25 cubic feet
Minimum Ported Box Volume
1.8 cubic feet
Optimum Ported Box Volume
2.5 cubic feet
Top-Mount Depth (Mounting Depth)
5-1/4"
Cutout Diameter
10-3/4"
Shallow Mount Installation
No
Electromechanical Parameters
Equivalent Compliance (Vas)
99.286 liters
Total Speaker Q Value (Qts)
1.015
Electrical Q Value (Qes)
1.475
Electrical Resistance of Voice Coil (Re)
8.16 ohms
Mechanical Q Value (Qms)
255.83
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

OWC304

Weight:

8.50lbs

Internal SKU:

owc304

Internal Product ID:

67862

Product and How-to Videos


  • MB Quart ONYX Car Subwoofers| Maxxsonics @ CES 2013
  • Car Subwoofer Size Buying Guide | What Size of Sub Should I Get?

Customer Ratings & Reviews



5 star
73%
4 star
7%
3 star
7%
2 star
0%
1 star
13%



Durability
4.2
Value
5
Features
4.4
Design
4.9
Usability
4.8

Customer Reviews

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Thing pounds!!!

Mb Quart makes some quality sound I love the way this sub sounds and looks. If your looking for clean bass for a reasonable price look no further. Sonic is the best!

By david on January 27, 2014

54

found this helpful.

great sq sub at great price

Didn't think it would sound as Google as it does.
Sounds great and has low bass and best in 1.25 ft box
Running a Boston 250w amp no problem.

By nu fan on April 17, 2014

51

found this helpful.

Brei from louisiana

I love this sub I only have one bc I was on a budget I have it running on a 400 watt power acoustik amp and it sounds amazing I can't turn my amp up all the way or I'll blow it soon but it rattles the inside of my car I love this sub I will be buying mb quart subs again and thanks sonicelectronix for the great prices I always recommend you guys for myself and all my friends looking for car audio for cheap so thanks you guys.

By bigb on January 19, 2015

49

found this helpful.

great price and super clean sound

these subs sound very clean and are a great price, BUT they dont hit as "hard" as other subwoofers. if your looking for a good clean balanced sound then these are a great choice. but if your looking rattle your car apart these dont quite do it. they dont the really the deep bass that other 12s do.

By jimmyjames on March 17, 2014

47

found this helpful.

Awesome Sub

These pack a hell of a punch when you blast them. These match up with my system perfectly. For how much it costs, I can't complain. My friends think I spent over 500 bucks doing up the sub but I spent a lot less. Pair this up with a sufficient class D or cheap class A/B amp and you're good to go.

By Claire on January 6, 2014

47

found this helpful.

MB quart 12" sub

It bump... Its worth the money.facts
Its strong enuff for my setup and I have a tendency to push amps to its limits.
Very happy with this buy.
I made a good choice .I think
Sonicelectronix.com
For all ya car audio video needs try em out.

By Stevedastar on February 8, 2015

43

found this helpful.

impressive

I didn't think that these would sound as good as they do. I have them in a 2.50 sealed box. it is very responsive

By michael on June 3, 2014

42

found this helpful.

Great subs

These are great sounding sub's have 4 running in my tuck with mb 1000 watt amp running at 2ohms hit very hard for such low wattage sub's love them

By Mike on November 11, 2014

43

found this helpful.

Good Sub

Good sounding sub. Not a SPL sub nor do they hit the lows. They sound better in pairs. If you need musical bass to fill the lower octaves at a great price, get these. Great value, no regrets.

By Ryan on March 8, 2015

37

found this helpful.

Great Speakers

Awesome speakers for the price! Would recommend and would buy again.

By Eboogie on March 10, 2015

29

found this helpful.

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